diff --git a/cmd/sparse/main.go b/cmd/sparse/main.go
index de46156..836aa0f 100644
--- a/cmd/sparse/main.go
+++ b/cmd/sparse/main.go
@@ -1,12 +1,12 @@
 package main
 
 import (
-	"github.com/reklesio/gods/sparses"
+	"github.com/reklesio/gods/maps"
 	"fmt"
 )
 
 func main() {
-	arr := sparses.New[float32, string]("default", map[float32] string {
+	arr := maps.NewSparse[float32, string]("default", map[float32] string {
 			5: "something at 5",
 			12: "new shit 12",
 			50: "die 50",
diff --git a/maps/main.go b/maps/main.go
new file mode 100644
index 0000000..3c51393
--- /dev/null
+++ b/maps/main.go
@@ -0,0 +1,144 @@
+package maps
+
+import (
+	"fmt"
+	"github.com/reklesio/gods"
+)
+
+// Generic map interface for all the maps.
+type Map[K comparable, V any] interface {
+	gods.Container[V]
+
+	// Returns if the map has the key set.
+	Has(K) bool
+
+	// Get the value and if the key is not set panic.
+	Get(K) V
+
+	// The Go way to get values without panicing.
+	Got(K) (V, bool)
+
+	// Set the value or reset if it is already set.
+	Set(K, V)
+
+	// Delete the key no matter it exists or not.
+	Del(K)
+
+	// Returns slice of values.
+	// For the order look the comment
+	// for "Keys()".
+	Values() []V
+
+	// Get the values channel.
+	Chan() chan V
+
+	// Returns slice of keys.
+	// Order is not guaranteed if
+	// the is not specified otherwise
+	// like for the NewOrdered.
+	Keys() []K
+
+	KeyChan() chan K
+
+	// The function to range over the values
+	// with the keys.
+	/*Range() chan struct{
+		K K
+		V V
+	}*/
+}
+type lMap[K comparable, V any] struct {
+	store map[K] V
+}
+
+// Returns new basic map with the builtin Go type down there.
+// Has all the features of the builtin Go maps and same performance.
+func New[K comparable, V any]() Map[K, V] {
+	ret := &lMap[K, V]{}
+	ret.store = map[K]V{}
+	return ret
+}
+
+func (m *lMap[K, V]) Clear() {
+	m.store = map[K]V{}
+}
+
+func (m *lMap[K, V]) Keys() []K {
+	r := make([]K, len(m.store))
+	i := 0
+	for k := range m.store {
+		r[i] = k
+		i++
+	}
+
+	return r
+}
+
+func (m *lMap[K, V]) Empty() bool {
+	return len(m.store) == 0
+}
+
+func (m *lMap[K, V]) Del(key K) {
+	delete(m.store, key)
+}
+
+func (m *lMap[K, V]) Values() []V {
+	r := make([]V, len(m.store))
+	i := 0
+	for _, v := range m.store {
+		r[i] = v
+		i++
+	}
+
+	return r
+}
+
+func (m *lMap[K, V]) Chan() chan V {
+	ret := make(chan V)
+	go func() {
+		for _, v := range m.store {
+			ret <- v
+		}
+		close(ret)
+	}()
+	return ret
+}
+
+func (m *lMap[K, V]) Has(k K) bool {
+	_, ok := m.store[k]
+	return ok
+}
+
+func (m *lMap[K, V]) Set(k K, v V) {
+	m.store[k] = v
+}
+
+func (m *lMap[K, V]) Get(key K) V {
+	v, ok := m.store[key]
+	if !ok {
+		panic(fmt.Sprintf("there is no such key '%v'", key))
+	}
+	return v
+}
+
+func (m *lMap[K, V]) Got(key K) (V, bool) {
+	v, ok := m.store[key]
+	return v, ok
+}
+
+func (m *lMap[K, V]) Size() int {
+	return len(m.store)
+}
+
+func (m *lMap[K, V]) KeyChan() chan K {
+	ret := make(chan K)
+	go func() {
+		for k := range m.store {
+			ret <- k
+		}
+		close(ret)
+	}()
+	return ret
+}
+
+
diff --git a/mapx/misc.go b/maps/misc.go
similarity index 90%
rename from mapx/misc.go
rename to maps/misc.go
index 2499c53..c49ba9e 100644
--- a/mapx/misc.go
+++ b/maps/misc.go
@@ -1,4 +1,4 @@
-package mapx
+package maps
 
 func Reversed[K, V comparable](m map[K] V) map[V] K {
 	r := make(map[V] K)
diff --git a/maps/ordered.go b/maps/ordered.go
new file mode 100644
index 0000000..07b3abb
--- /dev/null
+++ b/maps/ordered.go
@@ -0,0 +1,103 @@
+package maps
+
+// The type makes the underlying map ordered,
+// so every time you pass through all the values
+// they will be in the same order.
+type orderedMap[K comparable, V any] struct {
+	store map[K] V
+	keys []K
+}
+
+// Returns the new empty ordered map.
+func NewOrdered[K comparable, V any]() Map[K, V] {
+	return &orderedMap[K, V]{
+		store: make(map[K] V),
+	}
+}
+
+func (m *orderedMap[K, V]) Clear() {
+	m.store = map[K]V{}
+	m.keys = []K{}
+}
+
+func (m *orderedMap[K, V]) Set(k K, v V) {
+	_, ok := m.store[k]
+	if !ok {
+		m.keys = append(m.keys, k)
+	}
+	
+	m.store[k] = v
+}
+
+func (m *orderedMap[K, V]) Got(key K) (V, bool) {
+	v, ok := m.store[key]
+	return v, ok
+}
+
+func (m *orderedMap[K, V]) Has(k K) bool {
+	_, ok := m.store[k]
+	return ok
+}
+
+// Get the value from the map.
+func (m *orderedMap[K, V]) Get(k K) (V) {
+	v := m.store[k]
+	return v
+}
+
+func (m *orderedMap[K, V]) Del(k K) {
+	delete(m.store, k)
+	for i, v := range m.keys {
+		if v == k {
+			m.keys = append(m.keys[:i], m.keys[i+1:]...)
+		}
+	}
+}
+
+// Get map keys slice.
+func (m *orderedMap[K, V]) Keys() []K {
+	return m.keys
+}
+
+func (m *orderedMap[K, V]) Values() []V {
+	ret := make([]V, len(m.keys))
+	i := 0
+	for _, k := range m.keys {
+		ret[i] = m.store[k]
+		i++
+	}
+	return ret
+}
+
+func (m *orderedMap[K, V]) KeyChan() chan K {
+	chn := make(chan K)
+	go func() {
+		for _, v := range m.keys {
+			chn <- v
+		}
+		close(chn)
+	}()
+	return chn
+}
+
+// Return channel of ordered values.
+func (m *orderedMap[K, V]) Chan() chan V {
+	chn := make(chan V)
+	go func(){
+		for _, k := range m.keys {
+			chn <- m.Get(k)
+		}
+		close(chn)
+	}()
+	
+	return chn
+}
+
+func (m *orderedMap[K, V]) Empty() bool {
+	return len(m.keys) == 0
+}
+
+func (m *orderedMap[K, V]) Size() int {
+	return len(m.keys)
+}
+
diff --git a/sparses/m.go b/maps/sparse.go
similarity index 88%
rename from sparses/m.go
rename to maps/sparse.go
index 94eb164..7607653 100644
--- a/sparses/m.go
+++ b/maps/sparse.go
@@ -1,4 +1,4 @@
-package sparses
+package maps
 
 import (
 	"slices"
@@ -27,10 +27,10 @@ type mSparse[K cmp.Ordered, V any] struct {
 // map inside the structure. Is fast on creation and reading, but
 // slow on inserting and deleting. Takes only one or zero maps as input.
 // Panics otherwise.
-func New[K cmp.Ordered, V any](
+func NewSparse[K cmp.Ordered, V any](
 	defval V,
 	values ...map[K] V,
-) Sparse[K, V] {
+) Map[K, V] {
 
 	var (
 		store map[K] V
@@ -81,10 +81,6 @@ func (s *mSparse[K, V]) Has(key K) bool {
 	return ok
 }
 
-// Get the value by the key. The secound value
-// represents whether the array contains the value.
-// If the array does not contain the value then default one
-// will be returned.
 func (s *mSparse[K, V]) Get(key K) (V) {
 	val, ok := s.store[key]
 	if !ok {
@@ -93,6 +89,14 @@ func (s *mSparse[K, V]) Get(key K) (V) {
 	return val
 }
 
+func (s *mSparse[K, V]) Got(key K) (V, bool) {
+	v, ok := s.store[key]
+	if !ok {
+		v = s.def
+	}
+	return v, ok
+}
+
 func (s *mSparse[K, V]) Set(k K, v V) {
 	_, ok := s.store[k]
 	if !ok {
@@ -107,7 +111,6 @@ func (s *mSparse[K, V]) Empty() bool {
 	return len(s.keys) == 0
 }
 
-// Delete the value by the key.
 func (s *mSparse[K, V]) Del(k K) {
 	delete(s.store, k)
 
@@ -122,11 +125,11 @@ func (s *mSparse[K, V]) Del(k K) {
 	}
 
 	if idx != -1 {
+		// Removing the key.
 		s.keys = append(s.keys[:idx], s.keys[idx+1:]...)
 	}
 }
 
-// Returns channel of pairs.
 func (s *mSparse[K, V]) Chan(
 ) chan V {
 	keys := s.keys
@@ -143,6 +146,17 @@ func (s *mSparse[K, V]) Chan(
 	return ret
 }
 
+func (s *mSparse[K, V]) KeyChan() chan K {
+	ret := make(chan K)
+	go func() {
+		for _, k := range s.keys {
+			ret <- k
+		}
+		close(ret)
+	}()
+	return ret
+}
+
 func (s *mSparse[K, V]) Keys() []K {
 	return s.keys
 }
diff --git a/maps/uniq.go b/maps/uniq.go
new file mode 100644
index 0000000..d756ab2
--- /dev/null
+++ b/maps/uniq.go
@@ -0,0 +1,113 @@
+package maps
+
+// The type describing unique map
+// where you can quickly get both
+// value by key and vice versa.
+type Uniq[K, V comparable] interface {
+	Map[K, V]
+	GetByValue(V) K
+}
+
+type uniqMap[K, V comparable] struct {
+	store map[K] V
+	rstore map[V] K
+}
+
+// The function returns map type where
+// you can get, set and delete by value
+// since it store everything as ONLY entity
+// both for keys and values way.
+// Use only when you do not care about the order.
+func NewUniq[K, V comparable]() Uniq[K, V] {
+	return &uniqMap[K, V]{
+		map[K] V{},
+		map[V] K{},
+	}
+}
+
+func (m *uniqMap[K, V]) Empty() bool {
+	return len(m.store) == 0
+}
+
+func (m *uniqMap[K, V]) Clear() {
+	m.store = map[K] V{}
+	m.rstore = map[V] K{}
+}
+
+func (m *uniqMap[K, V]) Has(k K) bool {
+	_, ok := m.store[k]
+	return ok
+}
+
+func (m *uniqMap[K, V]) Set(k K, v V) {
+	m.store[k] = v
+	m.rstore[v] = k
+}
+
+func (m *uniqMap[K, V]) Del(k K) {
+	v := m.store[k]
+	delete(m.store, k)
+	delete(m.rstore, v)
+}
+
+func (m *uniqMap[K, V]) Get(k K) (V) {
+	v := m.store[k]
+	return v
+}
+
+func (m *uniqMap[K, V]) Got(k K) (V, bool) {
+	v, ok := m.store[k]
+	return v, ok
+}
+
+func (m *uniqMap[K, V]) Chan() chan V {
+	ret := make(chan V)
+	go func() {
+		for _, v := range m.store {
+			ret <- v
+		}
+		close(ret)
+	}()
+	return ret
+}
+
+func (m *uniqMap[K, V]) Keys() []K {
+	ret := make([]K, len(m.store))
+	i := 0
+	for k := range m.store {
+		ret[i] = k
+		i++
+	}
+	return ret
+}
+
+func (m *uniqMap[K, V]) KeyChan() chan K {
+	ret := make(chan K)
+	go func() {
+		for k := range m.store {
+			ret <- k
+		}
+		close(ret)
+	}()
+	return ret
+}
+
+func (m *uniqMap[K, V]) Values() []V {
+	ret := make([]V, len(m.store))
+	i := 0
+	for _, v := range m.store {
+		ret[i] = v
+		i++
+	}
+	return ret
+}
+
+func (m *uniqMap[K, V]) Size() int {
+	return len(m.store)
+}
+
+func (m *uniqMap[K, V]) GetByValue(v V) (K) {
+	k := m.rstore[v]
+	return k
+}
+
diff --git a/mapx/main.go b/mapx/main.go
deleted file mode 100644
index d0590f5..0000000
--- a/mapx/main.go
+++ /dev/null
@@ -1,58 +0,0 @@
-package mapx
-
-import (
-	"fmt"
-)
-
-// The package implements some more specific
-// map structures for special uses.
-// Implemented mostly to be embedded to other structures.
-
-// General map type, wrap for the built-in one.
-type Map[K comparable, V any] map[K] V
-
-// Returns new basic map.
-func New[K comparable, V any]() Map[K, V] {
-	return make(Map[K, V])
-}
-
-// Returns slice of keys of the map.
-func (m Map[K, V]) Keys() []K {
-	r := make([]K, 0, len(m))
-	for k := range m {
-		r = append(r, k)
-	}
-
-	return r
-}
-
-// Returns slice of values of the map.
-func (m Map[K, V]) Values(sm map[K] V) []V {
-	r := make([]V, 0, len(m))
-	for _, v := range m {
-		r = append(r, v)
-	}
-
-	return r
-}
-
-// Checks if the map contains the key.
-func (m Map[K, V]) Has(k K) bool {
-	_, ok := m[k]
-	return ok
-}
-
-// Sets the new value by key or resets if it exists.
-func (m Map[K, V]) Set(k K, v V) {
-	m[k] = v
-}
-
-// Returns the value by key. Panics if there is no such key.
-func (m Map[K, V]) Get(k K) V {
-	v, ok := m[k]
-	if !ok {
-		panic(fmt.Sprintf("there is no such key '%v'", k))
-	}
-	return v
-}
-
diff --git a/mapx/ordered.go b/mapx/ordered.go
deleted file mode 100644
index ecce2eb..0000000
--- a/mapx/ordered.go
+++ /dev/null
@@ -1,76 +0,0 @@
-package mapx
-
-// The type makes the underlying map ordered,
-// so every time you pass through all the values
-// they will be in the same order.
-type OrderedMap[K comparable, V any] struct {
-	store map[K] V
-	keys []K
-}
-
-// Returns the new empty ordered map.
-func NewOrdered[K comparable, V any]() *OrderedMap[K, V] {
-	return &OrderedMap[K, V]{
-		store: make(map[K] V),
-	}
-}
-
-// Set or reset the value in the map.
-func (m *OrderedMap[K, V]) Set(k K, v V) {
-	_, ok := m.store[k]
-	if !ok {
-		m.keys = append(m.keys, k)
-	}
-	
-	m.store[k] = v
-}
-
-func (m *OrderedMap[K, V]) Has(k K) bool {
-	_, ok := m.store[k]
-	return ok
-}
-
-// Get the value from the map.
-func (m *OrderedMap[K, V]) Get(k K) (V) {
-	v := m.store[k]
-	return v
-}
-
-func (m *OrderedMap[K, V]) Del(k K) {
-	delete(m.store, k)
-	for i, v := range m.keys {
-		if v == k {
-			m.keys = append(m.keys[:i], m.keys[i+1:]...)
-		}
-	}
-}
-
-// Get map keys slice.
-func (m *OrderedMap[K, V]) Keys() []K {
-	return m.keys
-}
-
-func (m *OrderedMap[K, V]) KeyChan() chan K {
-	chn := make(chan K)
-	go func() {
-		for _, v := range m.keys {
-			chn <- v
-		}
-		close(chn)
-	}()
-	return chn
-}
-
-// Return channel of ordered values.
-func (m *OrderedMap[K, V]) Chan() chan V {
-	chn := make(chan V)
-	go func(){
-		for _, k := range m.keys {
-			chn <- m.Get(k)
-		}
-		close(chn)
-	}()
-	
-	return chn
-}
-
diff --git a/mapx/uniq.go b/mapx/uniq.go
deleted file mode 100644
index a643e26..0000000
--- a/mapx/uniq.go
+++ /dev/null
@@ -1,37 +0,0 @@
-package mapx
-
-// The type implements map type where
-// you can get, set and delete by value
-// since it store everything as ONLY entity
-// both for keys and values way.
-// Use only when you do not care about the order.
-type UniqMap[K, V comparable] struct {
-	store map[K] V
-	rstore map[V] K
-}
-
-// Returns new empty UniqMap.
-func NewUniq[K, V comparable]() *UniqMap[K, V] {
-	return &UniqMap[K, V]{
-		make(map[K] V),
-		make(map[V] K),
-	}
-}
-
-// Sets new value v for the k key.
-func (m *UniqMap[K, V]) Set(k K, v V) {
-	m.store[k] = v
-	m.rstore[v] = k
-}
-
-// Get value by the k key.
-func (m *UniqMap[K, V]) Get(k K) (V, bool) {
-	v, ok := m.store[k]
-	return v, ok
-}
-
-func (m *UniqMap[K, V]) GetByValue(v V) (K, bool) {
-	k, ok := m.rstore[v]
-	return k, ok
-}
-
diff --git a/poolx/main.go b/poolx/main.go
deleted file mode 100644
index 102661f..0000000
--- a/poolx/main.go
+++ /dev/null
@@ -1,46 +0,0 @@
-package poolx
-
-import (
-	"github.com/mojosa-software/godat/src/llx"
-	"github.com/mojosa-software/godat/src/iterx"
-)
-
-// Ordered value-only based structure.
-// Fast deleting by value.
-// Cannot store multiple equal values.
-
-type Pool[V comparable] struct {
-	store *llx.LinkedList[V]
-}
-
-// Return new empty pool.
-func New[V comparable]() *Pool[V] {
-	return &Pool[V]{
-		store: llx.New[V](),
-	}
-}
-
-func (p *Pool[V]) Append(v V) {
-	p.store.Append(v)
-}
-
-// Deletes the first appearance of the value in the list.
-func (p *Pool[V]) DeleteValue(v V) bool {
-	i := 0
-	ll := p.store
-	for e := ll.First() ; e != nil ; e = e.Next() {
-		if e.Value() == v {
-			ll.Delete(i)
-			return true
-		}
-		
-		i++
-	}
-	
-	return false
-}
-
-func (p *Pool[V]) Chan() iterx.PairChan[int, V] {
-	return p.store.Chan()
-}
-
diff --git a/slicex/main.go b/slicex/main.go
deleted file mode 100644
index a0daa8d..0000000
--- a/slicex/main.go
+++ /dev/null
@@ -1,35 +0,0 @@
-package slicex
-
-func MakeMap[K comparable, V any](
-	values []V,
-	fn func([]V, int) (K),
-) map[K] V {
-	var k K
-
-	r := make(map[K] V)
-	for i, _ := range values {
-		k = fn(values, i)
-		r[k] = values[i]
-	}
-
-	return r
-}
-
-func ConvStr[V1, V2 ~string](v1 []V1) []V2 {
-	ret := []V2{}
-	for i := range v1 {
-		ret = append(ret, V2(v1[i]))
-	}
-
-	return ret
-}
-
-func ConvInt[V1, V2 ~int](v1 []V1) []V2 {
-	ret := []V2{}
-	for i := range v1 {
-		ret = append(ret, V2(v1[i]))
-	}
-
-	return ret
-}
-
diff --git a/sparses/m_test.go b/sparses/m_test.go
deleted file mode 100644
index ff9adab..0000000
--- a/sparses/m_test.go
+++ /dev/null
@@ -1,15 +0,0 @@
-package sparses
-
-import (
-	"testing"
-)
-
-
-func TestNew(t *testing.T) {
-	s := New[int, string](0, nil)
-	if aVal := s.Empty() ; if aVal != true {
-		t.Errorf("Got %v expected %v", aVal, )
-	}
-
-	s = New[int, string]
-}
diff --git a/sparses/sparse.go b/sparses/sparse.go
deleted file mode 100644
index 5009cda..0000000
--- a/sparses/sparse.go
+++ /dev/null
@@ -1,25 +0,0 @@
-package sparses
-import (
-	"github.com/reklesio/gods"
-	"cmp"
-)
-
-// The general sparse array type.
-type Sparse[K cmp.Ordered, V any] interface {
-	gods.Container[V]
-	// Returns slice of set values.
-	Values() []V
-	// Returns slice of set keys.
-	Keys() []K
-	// Set the key to the value.
-	Set(K, V)
-	// Get the value by the key.
-	Get(K) V
-	// Returns true if the key is set.
-	Has(K) bool
-	// Delete the value under the key.
-	Del(K)
-	// Returns channel of ordered values.
-	Chan() chan V
-}
-